<svg xmlns="http://www.w3.org/2000/svg">
  <g>
    <rect x="20" y="20" width="160" height="160" stroke-width="10"
      stroke="black" fill="red" />
    <rect x="20" y="0" width="20" height="20" stroke="none"
      fill="turquoise" />
  </g>
</svg>
